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Sweet corn should be planted in the spring after the last frost date. Sweet corn can be grown throughout the warmer months up until fall, as long as time is permitted for harvest before first frost. Succession planting is recommended with at least two plantings, one in early spring and one in late summer/early fall. Corn earworm pressure will be greater in the warmer months, but this can be alleviated by applying to silks and tassels once they appear.

We recommend planting sweet corn using a walk-behind planter like our Once plants emerge, thin plants to 6-8" depending on adequate irrigation. If is used, in-row spacing may be as close as 6". If water is scarce, wider in-row spacing will be necessary. For pollination purposes, corn should be planted in a square plot with rows on 30-36" spacing. Planting a few long rows will result in poor pollination and the absence of kernels on the cobs.

Seminole XR Sweet Corn Planting Information

Planting Method: direct seed

When to Plant: after last frost

Planting Depth: 1"

Seed Spacing: 6-8"

Row Spacing: 30-36"

Days to Maturity: 80

Disease Resistance: HR: Common Rust, IR: Northern Leaf Blight